import math


def primes(x):
    if x==1 or x==0:
        return False
    else:
        for i in range(2,int(math.sqrt(x))+1):
            if x%i==0:
                return False
    return True
n=eval(input())
for i in range(0,n//2+1):
    if primes(i) and primes(n-i):
        print(n,"=",i,"+",n-i)
        exit()